Home / 4,082.45-6,126.30-2,136.02

Finding the Fourth Proportional to 4,082.45, 6,126.30 and 2,136.02

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Solution

The fourth proportional to 4,082.45, 6,126.30 and 2,136.02 is: 3,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.45 : 6,126.30 = 2,136.02 : x
  2. Step 2: Convert to fraction form
    4,082.45/6,126.30 = 2,136.02/x
  3. Step 3: Cross multiply
    4,082.45x = 6,126.30 × 2,136.02
  4. Step 4: Simplify right side
    4,082.45x = 13,085,868.69
  5. Step 5: Solve for x
    x = 13,085,868.69/4,082.45
  6. Step 6: Final answer
    x = 3,205.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.